Telephone set



FIG. 1 is a front, top and right side perspective view of a telephone set showing my new design;

FIG. 2 is a top plan view thereof;

FIGS. 3 and 4 are respectively front and rear elevational views thereof;

FIGS. 5 and 6 are respectively right and left side elevational views thereof;

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a telephone set, as shown and described. 